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Chemistry · Separation of mixtures and purification

ChemistrySeparation of mixtures and purificationJAMB

In a paper chromatogram, a spot moves 3 cm while the solvent front moves 6 cm. Find the Rf value of the spot.

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Answer: B. 0.5

Rf = distance moved by spot ÷ distance moved by solvent = 3/6 = 0.5.

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